Move ShutdownThread calls to system ui thread.

import android.os.FileUtils;

import android.os.IIncidentManager;

import android.os.Looper;

import android.os.Message;

import android.os.PowerManager;

import android.os.Process;

import android.os.RemoteException;

                    }

                }

            }

            Runnable runnable = new Runnable() {

                @Override

                public void run() {

                    synchronized (this) {

                        ShutdownThread.rebootOrShutdown(null, reboot, reason);

                    }

                }

            };

            // ShutdownThread must run on a looper capable of displaying the UI.

            Message msg = Message.obtain(UiThread.getHandler(), runnable);

            msg.setAsynchronous(true);

            UiThread.getHandler().sendMessage(msg);

        }

    }

    private void createSystemContext() {

        ActivityThread activityThread = ActivityThread.systemMain();